Changeset 28777 in vbox for trunk/include

Timestamp:

Apr 26, 2010 7:45:16 PM (15 years ago)

Author:

vboxsync

Message:

iprt: added CachePolicy parameter to RTR0MemObjEnterPhys()

File:

• trunk/include/iprt/memobj.h (modified) (2 diffs)

trunk/include/iprt/memobj.h

@@ -222 +222 @@
 RTR0DECL(int) RTR0MemObjAllocPhysNC(PRTR0MEMOBJ pMemObj, size_t cb, RTHCPHYS PhysHighest);
 
+/** Memory cache policy for RTR0MemObjEnterPhys.
+ * @{
+ */
+/** Default caching policy -- don't care. */
+#define RTMEM_CACHE_POLICY_DONT_CARE    0
+/** MMIO caching policy -- uncachable. */
+#define RTMEM_CACHE_POLICY_MMIO         1
+/** @} */
+
 /**
  * Creates a page aligned, contiguous, physical memory object.
@@ -232 +241 @@
  *                          nearest page boundrary.
  * @param   cb              The size of the object in bytes. This is rounded up to nearest page boundrary.
- */
-RTR0DECL(int) RTR0MemObjEnterPhys(PRTR0MEMOBJ pMemObj, RTHCPHYS Phys, size_t cb);
+ * @param   CachePolicy     One of the RTMEM_CACHE_XXX modes.
+ */
+RTR0DECL(int) RTR0MemObjEnterPhys(PRTR0MEMOBJ pMemObj, RTHCPHYS Phys, size_t cb, unsigned CachePolicy);
 
 /**